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Shop 6.4L Hemi

Unlock the full potential of your 6.4L Hemi, a naturally aspirated powerhouse known for its robust forged internals and strong factory performance. This 392 cubic inch V8 delivers impressive power and torque right out of the box, making it an ideal platform for enthusiasts looking to build reliable, high-performance Mopar machines. At FastHemis, you’ll find a wide range of parts tailored specifically for the 6.4L Hemi. Whether you’re aiming to boost power with supercharger kits, improve exhaust flow with long tube headers, or enhance throttle response with cold air intakes, our selection supports every stage of your build. These upgrades help maximize your engine’s capability while maintaining its legendary durability. Popular 6.4L Hemi upgrades include: - Supercharger and forced induction kits - High-flow exhaust systems and headers - Cold air intakes and throttle body upgrades - Tuners and performance calibration tools Shop 6.4L Hemi upgrades at FastHemis.
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6020 Results

American Brother Designs SRT HELLCAT Front Grille Badge (2-Color): Dodge Challenger 2015 - 2023
American Brother Designs SRT HELLCAT Front Grille Badge (2-Color): Dodge Challenger 2015 - 2023
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American Brother Designs SRT HELLCAT Front Grille Badge (2-Color): Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $120.99 $89.00 26% off

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Mantic Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L SRT & Scat Pack, 6.2L SRT Hellcat)
Mantic Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L SRT & Scat Pack, 6.2L SRT Hellcat)
Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021
Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021

Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021

Amerihood

Regular price $600.00 $534.00 11% off

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Amerihood SRT2 Functional Ram Air Hood: Dodge Charger 2011 - 2014
Amerihood SRT2 Functional Ram Air Hood: Dodge Charger 2011 - 2014

Amerihood SRT2 Functional Ram Air Hood: Dodge Charger 2011 - 2014

Amerihood

Regular price $736.74 $572.92 22% off

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American Brother Designs Interior Knob Kit: Dodge Challenger 2015 - 2023
American Brother Designs Interior Knob Kit: Dodge Challenger 2015 - 2023
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American Brother Designs Interior Knob Kit: Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $199.99 $194.00 3% off

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American Brother Designs HEMI Exterior Badges (PAIR): Dodge Challenger 2015 - 2023
American Brother Designs HEMI Exterior Badges (PAIR): Dodge Challenger 2015 - 2023
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American Brother Designs HEMI Exterior Badge: Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $152.00 $137.00 10% off

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Hawk Ceramic Front Brake Pads (FRONT): Dodge Durango 6.2L / 6.4L 392 / Jeep Grand Cherokee 6.2L Trackhawk (11-26)
Hawk Ceramic Front Brake Pads (FRONT): Dodge Durango 6.2L / 6.4L 392 / Jeep Grand Cherokee 6.2L Trackhawk (11-26)
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Hawk Ceramic Front Brake Pads (FRONT): Dodge Durango 6.2L / 6.4L 392 / Jeep Grand Cherokee 6.2L Trackhawk (11-26)

Hawk Performance

Regular price $297.99 $268.19 10% off

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Stopping Power
Performance Over Stock
Dust Levels
K Sport Kontrol Pro Damper Coilovers: Dodge Challenger 2011 - 2023 (RWD)

K Sport Kontrol Pro Damper Coilovers: Dodge Challenger 2011 - 2023 (RWD)

KSport

Regular price $1,312.50 $1,115.62 15% off

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Hawk HPS 5.0 Front Brake Pads: 300 / Charger / Challenger / Magnum 6.1L SRT8 / 6.4L 392 2006 - 2023
Hawk HPS 5.0 Front Brake Pads: 300 / Charger / Challenger / Magnum 6.1L SRT8 / 6.4L 392 2006 - 2023
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Hawk HPS 5.0 Front Brake Pads: 300 / Charger / Challenger / Magnum 6.1L SRT8 / 6.4L 392 2006 - 2023

Hawk Performance

Regular price $213.99 $192.59 10% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
American Car Craft Mopar Cold Air Intake Cover: Chrysler 300 / Challenger / Charger 2011 - 2024
American Car Craft Mopar Cold Air Intake Cover: Chrysler 300 / Challenger / Charger 2011 - 2024
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American Car Craft Mopar Cold Air Intake Cover: Chrysler 300 / Challenger / Charger (11-24)

American Car Craft

Regular price $148.95 $138.95 7% off

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GT Styling Smoke Tail Light Covers: Chrysler 300 2011 – 2014
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GT Styling Smoke Tail Light Covers: Chrysler 300 2011 – 2014

GT Styling

Regular price $122.69 $79.75 35% off

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S&B Cold Air Intake: Dodge Ram 6.4L 392 2014 - 2018 (2500 / 3500)
S&B Cold Air Intake: Dodge Ram 6.4L 392 2014 - 2018 (2500 / 3500)
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S&B Cold Air Intake: Dodge Ram 6.4L 392 2014 - 2018 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

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2 filter types
Autometer Dual Pillar Gauge Pod: Dodge Challenger 2008 - 2014
Autometer Dual Pillar Gauge Pod: Dodge Challenger 2008 - 2014
usa
American Car Craft "392" Polished Fuel Rail Covers (ILLUMINATED): 300 / Challenger / Charger 6.4L 392 2011 - 2024
American Car Craft "392" Polished Fuel Rail Covers (ILLUMINATED): 300 / Challenger / Charger 6.4L 392 2011 - 2024
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American Car Craft "392" Polished Fuel Rail Covers (ILLUMINATED): 300 / Challenger / Charger 6.4L 392 2011 - 2023

American Car Craft

Regular price $536.95 $499.95 7% off

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Vertical Doors: Chrysler 300 2011 - 2024 (All Models)
Vertical Doors: Chrysler 300 2011 - 2024 (All Models)
usa

Vertical Doors: Chrysler 300 2011 - 2024 (All Models)

Vertical Doors

Regular price from $989.00 Up to 10% off

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Corsa Xtreme Exhaust System: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Corsa Xtreme Exhaust System: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
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Corsa Xtreme Exhaust System: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

CORSA Performance

Regular price from $2,412.99 Up to 8% off

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Mishimoto Aluminum Coolant Reservoir Tank: 300 / Challenger / Charger 2011 - 2024
Mishimoto Aluminum Coolant Reservoir Tank: 300 / Challenger / Charger 2011 - 2024

Mishimoto Aluminum Expansion Tank Black: Fits Challenger / Charger / 300 2011-2023 3.6/5.7L

Mishimoto

Regular price $445.00 $404.95 9% off

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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024
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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024

American Racing Headers

Regular price from $1,927.74 Up to 9% off

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Kooks Long Tube Headers & Mid Pipes: 300C / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2024
Kooks Long Tube Headers & Mid Pipes: 300C / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2024
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American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2024
American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2024
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American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2023

American Car Craft

Regular price $393.95 $366.95 7% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport
5.0 (1)

Regular price $1,968.95 $1,749.95 11% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

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MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat
MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP

Regular price $370.58 $299.99 19% off

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RIPP Crank Pin Kit: 5.7L / 6.1L / 6.4L HEMI V8 Engines
AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat
AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat
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AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat

AWE Tuning

Regular price $1,815.79 $1,725.00 5% off

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Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE

$332.85

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Stopping Power
Performance Over Stock
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport

Regular price $535.95 $475.95 11% off

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AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
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AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021

AWE Tuning

Regular price $2,152.63 $2,045.00 5% off

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Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)
Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)
usa

Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)

Granatelli Motor Sports

Regular price $889.72 $845.23 5% off

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EBC S13 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger, Magnum 5.7L Hemi 2005 - 2024
EBC S13 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger, Magnum 5.7L Hemi 2005 - 2024

EBC S13 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger, Magnum 5.7L Hemi 2005 - 2024

EBC

Regular price $464.65 $441.42 5% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
WeatherTech Side Window Deflectors (4PC, Dark Smoke): Dodge Durango 2011 - 2023
WeatherTech Side Window Deflectors (4PC, Dark Smoke): Dodge Durango 2011 - 2023
MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025
MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025

MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025

MBRP
5.0 (1)

Regular price $667.05 $539.99 19% off

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per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2019 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2019 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,856.95 $1,649.95 11% off

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Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

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Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

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Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018
Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D

Regular price $144.00 $107.00 26% off

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Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014
Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014

Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014

Spec D

Regular price $124.00 $92.00 26% off

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Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D

Regular price $396.00 $293.00 26% off

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Performance Upgrades for Your 6.4L 392 Hemi

The 6.4L 392 Hemi is a naturally aspirated powerhouse known for its strong forged internals and high-flow cylinder heads. Delivering robust power and torque from the factory, it provides an excellent platform for enthusiasts aiming to enhance performance while maintaining reliability. At FastHemis, you’ll find parts designed specifically to unlock the full potential of this Mopar favorite.

Why upgrade performance parts on your 6.4L Hemi?

Upgrading your 6.4L Hemi’s components can significantly improve power delivery, throttle response, and overall engine efficiency. Whether you want to increase airflow with cold air intakes or extract more power through long tube headers and exhaust systems, these bolt-on upgrades complement the engine’s strong factory foundation. Enhancements also help tailor your build to specific driving styles and performance goals.

  • Improved air and exhaust flow for better combustion
  • Enhanced throttle response and engine sound
  • Supports future forced induction or camshaft upgrades
  • Maintains the engine’s legendary durability and reliability

Popular upgrade paths for the 6.4L 392 Hemi

The 6.4L Hemi responds well to a variety of performance modifications that suit naturally aspirated and boosted builds alike. Common upgrades include supercharger and procharger kits for substantial power gains, long tube headers to reduce exhaust backpressure, and cold air intakes to increase airflow. Tuners and performance calibration tools are also essential to optimize these modifications and ensure smooth operation.

Choosing the right 6.4L Hemi parts at FastHemis

FastHemis offers a comprehensive selection of performance parts tailored to the 6.4L 392 Hemi. Whether you’re starting with bolt-ons or planning a full build, our inventory supports every stage of your project. Browse our collection to find supercharger kits, exhaust upgrades, intake systems, and tuning tools designed to maximize your engine’s capability while preserving its durability.

SELECT YOUR VEHICLE